Mohammad Yasir Imran, Zahid Hussain Shah, Muhammad Fahr Hayat, Muhammad Khizer Hayat, Irshad Hussain Qureshi.
Topographic patterns of Myocardial Infarction in Pakistani Population.
Pak J Med Health Sci Jan ;12(2):592-4.

Background: Myocardial infarction is a leading cause of morbidity and mortality in the world as well in Pakistan. It usually presents with retrosternal squeezing or crushing chest pain radiating to arms, neck, back, abdomen, or lower jaw. It is usually accompanies with pallor, sweating, nausea, vomiting breathlessness or syncope. Aim: To determine the frequency of different myocardial areas in acute myocardial infarction and describe the myocardial infarction of different areas with various modes of presentations. Study design: Case series study Setting: Department Of Emergency & Medical Unit-Ii Of Services Hospital, Lahore And Mayo Hospital Lahore . Duration of study: From 1st August 2006 to 31st January 2007. Methods: One hundred patients fulfilling the inclusion criteria were selected for this study. Informed consent was obtained from the patients. Patient included in the study were to undergo detailed history and physical examination. All the patients were diagnosed by history, ECG, raised cardiac enzymes, non-enzymatic marker that is troponin-T. Results: Out of 100 cases, 84 were male and 16 were female. Major symptom noted were chest pain (100%), sweating (47%), breathlessness (29%), vertigo (13%) and syncopy ( 8%). CK – MB was elevated in 33% and Trop T in 57%. Among 100 patients, 39 had inferior wall MI, 34 had extensive anterior wall MI, 13 had posterior wall MI, 6 had anteroseptal MI, 3 had anterolateral MI, 4 had non Q wave MI and 2 had lateral wall MI. Conclusion: Anterior and inferior wall myocardial infarction is more in number and their common symptoms are typical chest pain, sweating and breathlessness. High morbidity and mortality is associated with these myocardial infarction. Male more than 45 years with factors like smoking, hypertension and diabetes mellitus are more prone to get myocardial infarction.

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